#include<bits/stdc++.h>
using namespace std;
    string huixing;
    string zhichi;
int main()
{

    cin>>huixing;
    cin>>zhichi;

    int total1=1;
    int total2=1;
    for(int i=0;i<huixing.size();i++)
    {
        total1*=huixing[i]-'A'+1;
    }
       for(int i=0;i<zhichi.size();i++)
    {
        total2*=zhichi[i]-'A'+1;

    }

  //  cout<<total1%47<<" "<<total2%47;
if(total1%47==total2%47)
cout<<"GO";
else cout<<"STAY";

}